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| Quick KTM-9 Question http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10102&t=3899 |
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| Author: | jsuhre [ Fri Nov 25, 2005 2:50 pm ] |
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Hi All, I just finished spraying my last coat of my first finish on my first guitar (HA.. say that 10 times fast!). I am very jazzed to be approaching final setup. So for the question. I sprayed KTM-9 almost exactly per Mike Doolin's instructions. After all the spraying I've got a few spots that came out a bit grainy. I'm curious if it would have any adverse effect to flat sand the finish tomorrow (while it's still a little soft) then do all the final sanding/polishing in 2 weeks once the finish has completely cured. Or should I just wait? Thanks, Joe |
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| Author: | Josh H [ Sat Nov 26, 2005 12:33 am ] |
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I would also wait the 2 weeks. If you sand level now you will probably have to do it again before you buff. The finish will shrink over those 2 weeks as it drys. Josh |
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| Author: | Robbie O'Brien [ Sat Nov 26, 2005 5:20 am ] |
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JOe, this grainey area you refer to sounds like a bit of orange peel. If it is this and it is slight, just let it cure and sand and buff normally after the cure time. It should come out fine. |
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| Author: | Don Williams [ Sat Nov 26, 2005 5:31 am ] |
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Food for thought... The longer KTM-9 cures, the harder it becomes, and the harder it becomes to buff out the sanding scratches. I've been wet-sanding and buffing relatively quickly, then waiting longer and then wet sanding with 2000 and and up again if needed and buffing. I know it sounds like a lot more work, but it has been worth the results. |
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